Big Data Analyst Resume

SUMMARY

Over 6 years of experience in software development.
Experience in developing Map Reduce Programs using Apache Hadoop for analyzing the big data as per the requirement.
Experienced on major Hadoop ecosystem projects such as HIVE, PIG.
Good working experience - using Sqoop to import data into HDFS from RDBMS and vice-versa.
Good knowledge in using job scheduling and monitoring tools like Oozie.
Experience in developing solutions to analyze large data sets efficiently.
Extending Hive and Pig core functionality by writing custom UDFs.
Experience in analyzing data using HiveQL, Pig Latin, and custom Map Reduce programs in Java.
Strong problem solving skills, good communication, interpersonal skills and a good team player.
Have the motivation to take independent responsibility as well as ability to contribute and be a productive team member.

TECHNICAL SKILLS

Hadoop/Big Data Technologies: HDFS, Map Reduce, Hive, Pig, Sqoop, Oozie

Programming Languages: Java JDK, HTML, SQL, PL/SQL

Frameworks: Hibernate, Spring, Struts

Operating Systems: Windows, LINUX

Application Servers: IBM Web sphere, Tomcat, Web Logic

Web technologies: JSP, Servlets, JNDI, JDBC, Java Beans, JavaScript

Databases: MySQL, Hive

Java IDE: Eclipse

PROFESSIONAL EXPERIENCE

Big Data Analyst

Confidential

Responsibilities:

I used Hive, Oozie and shell scripting for day-to-day tasks
Business Requirement analysis and follow-up with Confidential Marketing teams
Working with Data ingestion teams for data input.
Feasibility analysis and coming up with first-cut estimates
Agile/Sprint Development that covers coding and unit testing
Productizing the code and releasing it.
Complete feature testing and sprint demos

Confidential

Environment: AWS, Hadoop, MapReduce, HDFS, Hive, Pig, Java, SQL, Cloudera Manager, Sqoop, Flume, Oozie, Java (jdk 1.6), Eclipse

Responsibilities:

Developed Simple to complex Map/reduce Jobs using Java
Optimized Map/Reduce Jobs to use HDFS efficiently by using various compression mechanisms and file formats
Handled importing of data from various data sources, performed transformations using Hive, MapReduce loaded data into HDFS and Extracted the data from MySQL into HDFS using Sqoop
Analyzed the data by performing Hive queries to study customer behavior
Used UDF’s to implement business logic in Hadoop
Implemented business logic by writing UDFs in Java
Continuous monitoring and managing the Hadoop cluster using Cloudera Manager
Using Oozie workflow engine to run multiple Hive and Pig jobs
Exported the analyzed data to the relational databases using Sqoop for visualization and to generate reports for the BI team

Java/J2EE Developer

Confidential

Responsibilities:

Responsible for gathering and analyzing requirements and converting them into technical specifications.
Developed presentation layer using JSP, Java, HTML and JavaScript.
Used Spring Core Annotations for Dependency Injection.
Designed and developed Hibernate configuration and session-per-request design pattern for making database. Connectivity and accessing the session for database transactions respectively. Used HQL and SQL for fetching and storing data in databases.
Participated in the design and development of database schema and Entity-Relationship diagrams of the backend Oracle database tables for the application.
Implemented web services with Apache Axis.
Designed and Developed Stored Procedures, Triggers in Oracle to cater the needs for the entire application. Developed complex SQL queries for extracting data from the database.
Designed and built SOAP web service interfaces implemented in Java.
Used Apache Ant for the build process.

Environment: Java, JDK 1.5, Servlets, Hibernate, Ajax, Oracle 10g, Eclipse, Apache Ant, Web Services (SOAP), Apache Axis, Apache Ant, Web Logic Server, JavaScript, HTML, CSS, XML

Java/J2EE Developer

Confidential

Responsibilities:

Developed Features and Enhancements of the ITKO Lisa tool
Bug fixing during maintenance and sustenance
Unit testing
Web Testing using ITKO Lisa
Demo and POCs with UI of Lisa

Confidential

Responsibilities:

Involved in the development of JSPs and Servlets for different User Interfaces.
Used Struts action forms and developed Action Classes, which act as the navigation controller in Struts framework.
Implemented the template-based categorization of presentation content using Struts-Tiles. MVC implementation using Struts framework.
Involved in Unit Testing of Various Modules based on the Test Cases.
Involved in Bug fixing of various modules that were raised by the Testing teams in the application during the Integration testing phase.
Involved and participated in Code reviews.

Environment: Java, J2EE, XML, XML Schemas, JSP, HTML, CSS, PL/SQL, Junit, Log4j, IBM Web sphere Application Server.

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